4-Amino-3-chloro-6-(substituted)picolinates are prepared from difluoroacetic acid or trifluoroacetic acid, tritylamine or t-butylamine as a protecting group, a 3,3-dialkoxyprop-1-yne and a substituted methylene amine by a series of steps.
4-
氨基-3-
氯-6-(取代基)
吡啶甲酸盐是通过一系列步骤从
二氟乙酸或
三氟乙酸、
三苄胺或
叔丁基胺作为保护基、3,3-二烷氧基丙-1-炔和取代基亚甲基胺制备而成的。